// Licensed to the Apache Software Foundation (ASF) under one
// or more contributor license agreements.  See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership.  The ASF licenses this file
// to you under the Apache License, Version 2.0 (the
// "License"); you may not use this file except in compliance
// with the License.  You may obtain a copy of the License at
//
//   http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing,
// software distributed under the License is distributed on an
// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
// KIND, either express or implied.  See the License for the
// specific language governing permissions and limitations
// under the License.

package org.apache.doris.nereids.stats;

import org.apache.doris.nereids.trees.plans.PlanNodeAndHash;
import org.apache.doris.statistics.hbo.RecentRunsPlanStatistics;

import java.util.List;
import java.util.Map;

/**
 * HboPlanStatisticsProvider provides recent runs' plan stats. info as a cache.
 */
public interface HboPlanStatisticsProvider {
    Map<PlanNodeAndHash, RecentRunsPlanStatistics> getHboPlanStats(List<PlanNodeAndHash> nodeIds);

    RecentRunsPlanStatistics getHboPlanStats(PlanNodeAndHash planNodeAndHash);

    void putHboPlanStats(Map<PlanNodeAndHash, RecentRunsPlanStatistics> hashesAndStatistics);

    void updatePlanStats(PlanNodeAndHash hash, RecentRunsPlanStatistics planStatistics);
}
